APA (7th ed.) Citation

International Conference on the Bus London. (1986). International Conference on the Bus '86: 9 - 10 Sept. 1986 Birdcage Walk London.

Chicago Style (17th ed.) Citation

International Conference on the Bus London. International Conference on the Bus '86: 9 - 10 Sept. 1986 Birdcage Walk London. London, 1986.

MLA (9th ed.) Citation

International Conference on the Bus London. International Conference on the Bus '86: 9 - 10 Sept. 1986 Birdcage Walk London. 1986.